Free Space Communications With Beam Steering a Two-Electrode Tapered Laser Diode Using Liquid-Crystal SLM

被引：57

作者：

Feng, Feng ^{[1
]}

White, Ian H. ^{[1
]}

Wilkinson, Timothy D. ^{[1
]}

机构：

[1] Univ Cambridge, Dept Engn, Div Elect, Cambridge CB3 0FA, England

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2013年 / 31卷 / 12期

基金：

英国工程与自然科学研究理事会;

关键词：

Beam steering; free-space optical communication; semiconductor lasers; spatial light modulators (SLMs); MODULATION; EFFICIENCY; DESIGN; POWER;

D O I：

10.1109/JLT.2013.2262372

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A free space optical wireless communication system with 3 degree angular coverage and 1.25 GHz modulation bandwidth is reported, in which relatively narrow laser beam of a simultaneous high power, high modulation speed and ultra high modulation efficiency directly modulated two-electrode tapered laser diode is steered using a nematic phase-only Liquid-Crystal On Silicon Spatial Light Modulator (LCOS SLM) by displaying reconfigurable 256 phase level gratings.

引用

页码：2001 / 2007

页数：7

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